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Lithium sulfide’s physical and chemical characteristics
You can find white or yellow crystals.
Features an anti-fluorite design
The specific gravity of 1.66 (water = 1), 938degC melting point, and 1372degC boiling point are the values.
Water soluble, soluble, ethanol soluble, soluble, acid soluble, insoluble, alkali insoluble.
Lithium sulfide is able to absorb water vapor from the air and hyrolyzes, releasing highly poisonous hydrogen sulfide.
Separating lithium sulfide with acid can liberate hydrogen sulfuride. It can also react violently to nitric acids, but it can only be decomposed by heating it. Hydrobromic acid or hydroiodic can do this. It reacts slowly and violently with concentrated sulfuric, but not with dilute. It reacts slowly with concentrated sulfuric acid when heated to around 300 degrees Celsius in the atmosphere. But it doesn’t produce sulfur dioxide. Instead, it produces lithium sulfate.
You can prepare lithium sulfide in a number of ways. The preparation of lithium sulfide was possible in the past by heating sulfur and lithium together. In order to produce lithium sulfide, carbon or hydrogen were used under heat to reduce lithium-sulfate. Later it was discovered that both lithium and sulfur could act in liquid ammonia. Also, lithium ethoxide is capable of decomposing the ethanol adduct from lithium hydrosulfide. This can be used to create lithium sulfide. Some people used hydrogen sulfide (lithium pentoxide) to prepare lithium hydrogen, sulfide. They then used vacuum heating to melt the lithium hydrogen, sulfide.
Anhydrous lithium sulfide is a high-quality product that can be made by reacting metallic lithium and hydrogen sulfide with tetrahydrofuran.
Application of lithium sulfide
Lithium sulfide is mostly used as an electrolyte in rechargeable lithium ion batteries.
Precautions and storage of lithium sulfide
Lithium Sulfide is able to absorb water vapor from the air and hyrolyzes it, releasing highly toxic hydrogen sulfuride gas. It must be kept at room temperatures in a dry, dark area.
Hydrogen sulfuride is somewhat harmful to water bodies. Do not expose large quantities or undiluted products to groundwater or sewers.
The irritation from lithium sulfide
The skin: Itching of the skin and mucous membranes
Irritation: The effects above the eyes
Sensitization: There is no known sensitization
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